Home / 54,683,633.36-82,033,605.08-20,137,378.32

Finding the Fourth Proportional to 54,683,633.36, 82,033,605.08 and 20,137,378.32

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Solution

The fourth proportional to 54,683,633.36, 82,033,605.08 and 20,137,378.32 is: 30,209,070.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,683,633.36 : 82,033,605.08 = 20,137,378.32 : x
  2. Step 2: Convert to fraction form
    54,683,633.36/82,033,605.08 = 20,137,378.32/x
  3. Step 3: Cross multiply
    54,683,633.36x = 82,033,605.08 × 20,137,378.32
  4. Step 4: Simplify right side
    54,683,633.36x = 1,651,941,740,449,433.75
  5. Step 5: Solve for x
    x = 1,651,941,740,449,433.75/54,683,633.36
  6. Step 6: Final answer
    x = 30,209,070.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.